About: http://webisa.webdatacommons.org/335423188

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Estonia formally joined the EU on May 1, 2004, one of 10 states, mostly from eastern Europe, to join the Union on that date.
http://www.w3.org/ns/prov#wasQuotedFrom	state.gov